Mobility Servers The following table shows which operating systems are supported by different versions of the Mobility server. Other combinations (for example, a recent version of the Mobility server running on an older version of Windows Server) can sometime work, but they have not been tested: compatibility and performance are not guaranteed. Operating SystemMobility VersionWindows Server 2019v11.70 and laterWindows Server 2016v11.04 and laterWindows Server 2012 R2v10.10 to v12.0xWindows Server 2012v10.0 to v11.0Windows Server 2008 R2 Service Pack 1(Standard and Enterprise)v9.21 to v10.7 Note: Windows Small Business Server is not supported for any version of Mobility. Advisory for Customers using Windows Server 2003: We have discontinued development of Mobility for Microsoft Windows Server 2003. After March 2012, resolution of the most severe product issues in versions of Mobility running on Microsoft Server 2003 may be available on an as-needed basis and at the sole discretion of NetMotion. Click here to access Knowledgebase Support for further details on technical support and timelines.